Velleman projects K3505 Assembly instructions User Manual

Page 6

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6

R1 : 47K

(4 - 7 - 3 - B)

R2 : 47K

(4 - 7 - 3 - B)

R3 : 47K

(4 - 7 - 3 - B)

R4 : 47K

(4 - 7 - 3 - B)

R5 : 220K (2 - 2 - 4 - B)

R6 : 470

(4 - 7 - 1 - B)

R7 : 470

(4 - 7 - 1 - B)

R8 : 10K

(1 - 0 - 3 - B)

R9 : 10K

(1 - 0 - 3 - B)

R10 : 1M

(1 - 0 - 5 - B)

4. Resistors

R...

Construction

D1 : 1N4148

D2 : 1N4148

D3 : 1N4148

D4 : 1N4148

D5 : 1N4148

D6 : 1N4148

D7 : 1N4148

D8 : 1N4007

D9 : 1N4007

2. Diodes. Watch the polarity !

D...

CATHODE


IC1 : 14p

IC2 : 14p

5. IC sockets,

Watch the

position of the notch !

Between IC1 & IC2

1. Jumper



C1 : 100nF (104)

6. Capacitor.

T1 : BC547B

7. Transistor.

ZD1 : 2V4

3. Zener diode. Watch the
polarity !

ZD...

CATHODE

Buz1

Remove the safety sticker form

the buzzer, if any.

8. Buzzer

+

BUZ...

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